Time & Again book by Nora Roberts

They crossed centuries to find a timeless love ...He was stranded in the present, but time traveler Caleb Hornblower's biggest predicament wasn't returning to the 23rd century ...It was leaving behind beguilingly innocent Liberty Stone, who'd shown him a love more powerful than Time Was. Cynical Jacob Hornblower had followed his brother, Caleb, into the past, hoping to lure him back. But once captivated by Liberty's spitfire sister, Sunny, he discovered that even for a romance-resistant man of the future, Times Change. Multi-New York Times bestselling author Nora Roberts enchants readers once again with two unique and intriguing tales about passion so powerful it transcends time itself. Published By Mills & Boon on 2001